vfs: eliminate v_tag from struct vnode
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Authored by mjg on Jan 5 2020, 4:58 AM.

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kib
jeff

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rS356432: vfs: eliminate v_tag from struct vnode

Summary

The only consumer uses it in a bogus manner, replace the use with an equivalent bogosity which does not require the field.

This also means getnewvnode takes the argument unnecessarily. I'll make a sweep to remove it later.

Repository

rS FreeBSD src repository - subversion

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Buildable 28488

mjg created this revision.Jan 5 2020, 4:58 AM

mjg edited the summary of this revision. (Show Details)Jan 5 2020, 5:01 AM

jeff accepted this revision.Jan 6 2020, 8:17 PM

This revision is now accepted and ready to land.Jan 6 2020, 8:17 PM

This revision was automatically updated to reflect the committed changes.

kib added inline comments.Jan 7 2020, 1:18 PM

head/sys/security/mac_veriexec/mac_veriexec.c
754 ↗	(On Diff #66431)	What you can do is (struct vnode *)(vp->v_object->handle) for object != NULL && object->type == OBJT_VNODE. The only case that would be not handled by this expression is nullfs mount over tmpfs.